They dont replace the fundamentals of good sleep, adequate protein intake, resistance training, sun protection and avoiding lifestyle factors that prematurely age people
GH stimulates osteoblast activity and calcium retention, supporting bone mineral density and long-term skeletal health
This lack of specificity complicates the interpretation of treatment effects and underscores the need to develop more refined, translation-oriented behavioral paradigms
Serbian J Exp Clin Res 19:229236 Kissow H, Hartmann B, Holst JJ, Poulsen SS (2013) Glucagon-like peptide-1 as a treatment for chemotherapy-induced mucositis
But, you could take it just when you feel the symptoms
However, telomerase activation is not the same as proven lifespan extension, animal-lifespan results are mixed (one key mouse study found no increase in mean lifespan), and human data are limited and largely open-label